ISD4004-16MS Voice Record/Playback IC Equivalent & Substitute Parts

Part Overview

The ISD4004-16MS is a ChipCorder® voice record/playback interface IC designed for multiple message applications with 16 minutes of recording duration. This component features SPI interface connectivity, differential analog input, and single-ended analog output with integrated auto-mute functionality. The ISD4004-16MS is classified as obsolete, making identification of compatible substitute parts essential for ongoing system support and new design implementations.

Substiute Parts

ISD4004-16MS

Nuvoton Technology CorporationIn Stock: 1027ISD4004-16MS Datasheet

Current PartRFQ

ISD4004-16MSY

Nuvoton Technology CorporationIn Stock: 896ISD4004-16MSY Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ISD4004-16MS is determined by strict equivalence across the following critical parameters:

Interface Protocol: SPI interface requirement Recording Duration: 16 minutes capacity Sampling Frequency: 4 kHz operation Signal Characteristics: Differential analog input and single-ended analog output Filter Specification: 1.7 kHz pass band Messaging Capability: Multiple message support Oscillator Configuration: Internal/External oscillator support Package Specification: 28-SOIC form factor with identical pin configuration Supply Voltage Range: 2.7 V to 3.3 V compatibility Operating Temperature: 0°C to 70°C range Auto Mute Feature: Integrated functionality

The ISD4004-16MSY qualifies as a direct substitute based on complete parameter alignment across all electrical and mechanical specifications. The primary distinction between these parts is product status and compliance certification.

Parameter Comparison

Engineering Selection Recommendations

The ISD4004-16MSY is the direct substitute for the ISD4004-16MS. Both parts share identical electrical and mechanical specifications, ensuring pin-for-pin compatibility and functional equivalence in circuit implementations.

The ISD4004-16MSY offers two significant advantages over the obsolete ISD4004-16MS:

Product Status: The ISD4004-16MSY maintains active product status with ongoing manufacturer support and availability, whereas the ISD4004-16MS is classified as obsolete with limited supply channels.

Regulatory Compliance: The ISD4004-16MSY achieves ROHS3 compliance, meeting current environmental and regulatory requirements for electronic component manufacturing and distribution. The ISD4004-16MS does not meet RoHS compliance standards.

For new designs and system replacements, the ISD4004-16MSY is the appropriate selection. For legacy system maintenance where existing inventory of ISD4004-16MS components is available, both parts are functionally interchangeable at the circuit level.

Frequently Asked Questions (FAQ)

Q: Are the ISD4004-16MS and ISD4004-16MSY pin-compatible?

A: Yes. Both parts use the 28-SOIC package with identical pin configurations. Direct substitution is possible without PCB modifications.

Q: What is the difference between these two part numbers?

A: The primary differences are product status and compliance certification. The ISD4004-16MSY is an active product with ROHS3 compliance, while the ISD4004-16MS is obsolete and RoHS non-compliant. All electrical and mechanical specifications are identical.

Q: Can I use the ISD4004-16MSY in a design originally specified for the ISD4004-16MS?

A: Yes. The ISD4004-16MSY is a direct functional equivalent with identical electrical characteristics, supply voltage requirements, operating temperature range, and signal specifications. No circuit modifications are required.

Q: Why should I choose the ISD4004-16MSY over the ISD4004-16MS?

A: The ISD4004-16MSY is recommended for new designs and ongoing production due to active product status, manufacturer support, and ROHS3 compliance. The ISD4004-16MS is obsolete with limited availability.

Q: Are there any packaging differences between these parts?

A: No. Both parts are supplied in 28-SOIC surface mount packages with identical dimensions (0.295", 7.50mm width). The only packaging difference is that ISD4004-16MSY is available in bulk packaging, while ISD4004-16MS specifications do not specify packaging type.

Q: What is the moisture sensitivity level for these components?

A: Both parts have a Moisture Sensitivity Level (MSL) rating of 3, with a floor life of 168 hours. Standard moisture control procedures during storage and handling are required.

Q: Are both parts suitable for the same operating temperature range?

A: Yes. Both the ISD4004-16MS and ISD4004-16MSY operate across the identical temperature range of 0°C to 70°C (TA).